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authornamo <namo@gurtam.com>2017-10-19 18:00:30 +0300
committernamo <namo@gurtam.com>2017-10-19 18:00:30 +0300
commitfb82a8167b99f706cb25d828bf1d72424ba98a75 (patch)
treeacd231c96a125bb82eb9e9d758be8c4fe34e5b52 /src/org/traccar/protocol/FlespiProtocolDecoder.java
parentda4fce0da7be92b381c6cdc1069486bc83a2974d (diff)
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flespi integration: listening messages
Diffstat (limited to 'src/org/traccar/protocol/FlespiProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/FlespiProtocolDecoder.java121
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diff --git a/src/org/traccar/protocol/FlespiProtocolDecoder.java b/src/org/traccar/protocol/FlespiProtocolDecoder.java
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+/*
+ * Copyright 2013 - 2017 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.handler.codec.http.DefaultHttpResponse;
+import org.jboss.netty.handler.codec.http.HttpRequest;
+import org.jboss.netty.handler.codec.http.HttpResponse;
+import org.jboss.netty.handler.codec.http.HttpResponseStatus;
+import org.jboss.netty.handler.codec.http.HttpVersion;
+import org.jboss.netty.handler.codec.http.HttpHeaders;
+import org.jboss.netty.util.CharsetUtil;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.Log;
+import org.traccar.model.Position;
+
+import javax.json.Json;
+import javax.json.JsonArray;
+import javax.json.JsonNumber;
+import javax.json.JsonObject;
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.List;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Date;
+
+public class FlespiProtocolDecoder extends BaseProtocolDecoder {
+
+ public FlespiProtocolDecoder(FlespiProtocol protocol) {
+ super(protocol);
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ HttpRequest request = (HttpRequest) msg;
+ JsonArray result = Json.createReader(new StringReader(request.getContent().toString(StandardCharsets.UTF_8)))
+ .readArray();
+ Map<Long, List> unitsPositions = new HashMap<>();
+ Log.debug(String.format("messages received msgs_count=%d", result.size()));
+ for (int i = 0; i < result.size(); i++) {
+ JsonObject message = result.getJsonObject(i);
+ String ident = message.getString("ident");
+ if (ident == null) {
+ continue;
+ }
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, ident);
+ if (deviceSession == null) {
+ continue;
+ }
+ if (unitsPositions.get(deviceSession.getDeviceId()) == null) {
+ unitsPositions.put(deviceSession.getDeviceId(), new LinkedList<Position>());
+ }
+ Position position = new Position();
+ position.setDeviceId(deviceSession.getDeviceId());
+ decodePosition(message, position);
+ unitsPositions.get(deviceSession.getDeviceId()).add(position);
+ }
+
+ sendResponse(channel, HttpResponseStatus.OK);
+ return unitsPositions;
+ }
+
+ private void sendResponse(Channel channel, HttpResponseStatus status) {
+ if (channel != null) {
+ HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
+ response.headers().add(HttpHeaders.Names.CONTENT_LENGTH, 10);
+ response.setContent(ChannelBuffers.copiedBuffer("Hello namo", CharsetUtil.US_ASCII));
+ channel.write(response);
+ }
+ }
+
+ private void decodePosition(JsonObject msg, Position position) {
+ position.setProtocol("flespi");
+
+ position.setTime(new Date((long) msg.getJsonNumber("timestamp").doubleValue() * 1000));
+ JsonNumber lat = msg.getJsonNumber("position.latitude");
+ JsonNumber lon = msg.getJsonNumber("position.longitude");
+ position.setLatitude((lat != null && lon != null) ? lat.doubleValue() : 0);
+ position.setLongitude((lat != null && lon != null) ? lon.doubleValue() : 0);
+
+ JsonNumber speed = msg.getJsonNumber("position.speed");
+ position.setSpeed(speed != null ? speed.doubleValue() : 0);
+ if (position.getSpeed() == 111) {
+ position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
+ }
+
+ JsonNumber course = msg.getJsonNumber("position.direction");
+ position.setCourse(course != null ? course.doubleValue() : 0);
+
+ JsonNumber altitude = msg.getJsonNumber("position.altitude");
+ position.setAltitude(altitude != null ? altitude.doubleValue() : 0);
+
+ int satellites = msg.getInt("position.satellites", 0);
+ position.setValid(position.getLatitude() != 0 && position.getLongitude() != 0 && satellites >= 3);
+ position.set(Position.KEY_SATELLITES, satellites);
+
+ if (msg.getBoolean("alarm.event.trigger", false)) {
+ position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
+ }
+ }
+}